Revolving ventilator.



ATTORNEYS 0. W. SEAROY.

REVOLVING VENTILATOR. APPLICATION FILED JAN. 14, 1913.

1,076,609 Patented 0011211913.

WITNESSES I/VVE/VTOR 7777M, wmw

COLUMBIA PLANOGRAPH coqwAsmNaToN, :21 c1 llNlTED STATES PATENT QFFTQE.

OSCAR WILLIAM SEARCY, OF MANILA, PHILIPPINE ISLANDS, ASSIGNOB OF ONE-HALF TO CHARLES S. BANKS, OF MANILA, PHILIPPINE ISLANDS.

REVOLVING VENTILATOR.

Specification of Letters Patent.

Patented @ct. 21,1913.

Application filed January 14, 1913. Serial No. 741,941.

To all whom it may concern:

Be it known that I, OSCAR W. SEAnoY, a citizen of the United States, residing in Manila, Philippine Islands, have invented a new and Improved Revolving Ventilator, of which the following is a full, clear, and exact description.

My invention relates to a ventilator adapted to be employed aboard ships, or in connection with residences or other buildings, and more particularly has reference to ventilators comprising a down-pipe and a funnel at the upper end to constitute the air intake.

It is a design of my invention to provide a ventilator in which the funnel is mounted to turn, and which is balanced and automatically maintained toward the wind by means of a vane.

It is also a design of my invention to provide an etlicient means for mounting the funnel and vane to revolve relative to the down-take pipe in response to a change in the direction of the wind.

The inventionhas also for its design to so construct and arrange the intake elements of the ventilator relatively to the down-take elements, as to prevent rain and snow from being blown or carried into the down-pipe.

, It is furthermore a design of my invention to improve in various particulars devices of the general character indicated, to the end that efficiency in operation may be promoted, as well as economy of manufacture and simplicity of construction and adjustment.

The distinguishing features of my invention and the important structural elements characterizing the preferred form and details which are illustrated as an example, will be more particularly explained in the specific description hereinafter to be given.

Reference is to be had to the accompanying drawings forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a partly sectional side elevation of a ventilator constructed in accordance with my invention; Fig. 2 is a front view thereof; Fig. 3 is a fragmentary detail vertical section showing a modified form of joint between the revolving upper portion and the down-pipe; and Fig. 4 is a horizontal section of the devices shown. in Fig. 3.

In constructing a ventilator in accordance with the form illustrated, a downtake pipe 10 is provided, of round or other desired cross section, and of a height to suit the particular conditions under which the ventilator is to be employed, said down-pipe in practice, leading to the interior of a marine vessel, a house, or other structure (not shown). On the upper end of the down pipe 10 a revolving section. 11 is mounted.

In Fig. 1, I have shown a supporting rod 12, connected at its lower end with a spider 13 or its equivalent in the interior of the down-pipe 10, and connected at its upper end with a similar spider 1% or the like in the interior of the revolving section 11. The lower end of the revolving section 11 is ex-- panded to form what is, in effect, an annular flange 15 that overlaps exteriorly the upper end of the down-pipe 10, there being a laterally deflected shoulder 16 formed at the upper end of the flange 13, and uniting the same to the body of the section 11, and there being a corresponding inwardly disposed tapering shoulder 17 formed by converging the down-pipe 10, the extreme upper end of the down-pipe terminating in a vertical neck 18. The opposed tapering shoulders 16, 17, constitute a ball race for ball bearings 19. With the described construction the upper section 11 may revolve relatively to the down-pipe 10.

In the form shown in Figs. 3 and 4, the down-pipe 10 may be continued to the upper end of uniform diameter, and is provided with a cross piece 13 or equivalent device, fixedly secured therein. he upper revolving section 11 is provided with a similar cross bar 1% adjacent to the tapering shoulder 16 below which is an outlet flange 15 to overlap the down-pipe 10. A. vertical interior rod 12 is suitably supported in the interior of the down-pipe 1( and has a fixed collar 12 or the like, 1n which the cross bar 1& of the revolving section is seated and on which said section may turn.

The revolving section 11 is provided with an elbow 20 which may be of cylindrical or other desired cross section; said elbow is given a return-bend in a downward dlrection, the lower outer end of the elbow being provided with a funnel or flaring mouth 21,

for the ingress of air. The return bend of the elbow extends downwardly to such an extent that the highest point 22 at the inner end of the funnel will be below or at least not above the bottom line 23 of the horizontal portion of the elbow at the bend of the lat-.

ter, whereby wind will not find entrance in a straight, horizontal line through the tunnel, to the bend of the elbow and to the upper end of the revolving intake section 11; thus rain or snow cannot be blown directly through the tunnel to the down-take. In order to further bar the entrance of snow or rain, I provide with the elbow at the returnbent portion thereof, a crescentic member 24:, that rises from the bottom wall 25 of said downwardly extending portion of the elbow. The crescent-i0 member thus constitutes a batlie to the wind and any moisture carried thereby. l/Vith a view to further eliminate the likelihood of moisture being carried by the entering air to the down-take pipe 10, I provide in the interior of the revolving section 11, an annular trough 26, and form in the said section 11 at the bottom of the trough, outlet orifices 27, as illustrated in Fig. 1.

In order to maintain the funnel 21 toward the wind and also to balance the same and thus prevent it from binding in revolving, I provide a counterbalancing vane or tail 28 on the revolving section 11, diametrically opposite the location of the funnel.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. A ventilator having an intake provided with an elbow return-bent in a downward direction, a flaring mouth at the lower end of the elbow, and a crescentic, transverse barrier within the elbow on the bottom thereof and at an angle to the bottom.

7 2. A ventilator having a revoluble intake section formed with a downturned elbow, said elbow terminating at its lower end in a flaring mouth, the said mouth being out of register with the bend of the elbow, and a crescentic transverse barrier forming a rain stop, said barrier projecting from the bottom wall of the elbow, on the downturned portion thereof.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

OSCAR XVILLIAM SEARCY.

Witnesses:

A. E. SOUTHARD, CHARLES S. BANKS.

copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

